Base64 Encoder / Decoder

Encode and decode text and images to/from Base64 via right-click menu.

Just drag and right-click — encode or decode Base64 instantly, right on the page. No extra tabs. No external sites. Everything happens in your browser. Features • Encode Text — Replace selected text with its Base64 string instantly • Decode Text — Replace a Base64 string with the original text instantly • Encode Image — Right-click any image to generate a Data URI and copy it to clipboard • Decode Image — Preview a Base64 string as an image, or open it in a new tab • Menu Customization — Toggle each context menu item on or off from the extension popup Supported Areas Works with input fields, textareas, contenteditable elements, and regular webpage text. Accurately handles all Unicode characters including CJK. No data is ever sent to external servers — all processing happens locally in your browser.